DEPARTMENT OF THE ARMY WASHINGTON DC
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Disclosed is an adjustable shim structure for use between shaft-mounted equipments and shaft-support bearings, whereby axial play of the equipments is prevented. The shim structure includes two collars having meshed threads enabling the collars to be rotated relative to one another for adjusting the axial length of the collar assembly. The shaft may be connected to each bearing by means of an expansible plug extending within a circular cavity in the shaft the plug exerts an outward radial force on the shaft wall, thus expanding the shaft into an interference fit with the associated bearing.
- Machinery and Tools